ciao-controller: compute_test: return helpful message from request error
ciao-controller: compute_test: return helpful message from request error

If we don't get the response we expected from our http request, parse
the body to get any useful messages out of there.

Signed-off-by: Kristen Carlson Accardi <047ff8258f0113ece56e5e2fe9e0d987b14c4333@linux.intel.com>

mcastelino/ciao,mcastelino/ciao,tpepper/ciao,rbradford/ciao,tpepper/ciao,jorgevgut/ciao,01org/ciao,mrkz/ciao,mrkz/ciao,obedmr/ciao,tpepper/ciao,mcastelino/ciao,erick0z/ciao,wcwxyz/ciao,kaccardi/ciao,wcwxyz/ciao,markdryan/ciao,wcwxyz/ciao,rbradford/ciao,erick0z/ciao,01org/ciao,leoswaldo/ciao,ciao-project/ciao,erick0z/ciao,jorgevgut/ciao,obedmr/ciao,matthewrsj/ciao,kaccardi/ciao,obedmr/ciao,chavafg/ciao,leoswaldo/ciao,chavafg/ciao,markdryan/ciao,matthewrsj/ciao,jorgevgut/ciao,mrkz/ciao,matthewrsj/ciao,leoswaldo/ciao,ciao-project/ciao